Lash extensions are a cosmetic fad that isn't going away anytime soon. As the demand for natural-looking, longer, and thicker lashes grows, so does the number of products available to assist consumers obtain rich, false lashes on a daily basis. But with so many products available now, such as lash serum, glues, and oils for lash development, it can be challenging to know where to start. Which product suits you best? What do they all do, then?